#define _CRT_SECURE_NO_WARNINGS
#include<stdio.h>
int main() {
    float m = 0.0f;
    float h = 0.0f;
    scanf("%f %f", &m, &h);
    float bmi = 0.0f;
    bmi = m / h / h;
    if (bmi < 18.5) {
        printf("Underweight");
    }
    else if (bmi >= 18.5 && bmi < 24) {
        printf("Normal");
    }
    else {
        printf("%.6g\n", bmi);
        printf("Overweight");
    }
    return 0;
}